Fill in the blanks with the given words in their proper forms.
21.cabbage/fish
1) I bought lots of ___________ yesterday.
2) ___________ was served after the first course.
3) They caught several frogs, crabs and ___________ in the river yesterday.
4) I think youd better eat some more ___________ vegetables are good for you.
22.can/may/must
1) We ___________ follow the instructions when we use the computers.
2) ___________ I have a look at your photos?
3) I thought I ___________ smell something burning.
23.die of/die from
1) Nowadays more people ___________ car accidents on high ways.
2) In fact the little baby ___________ a fever last night.
24.drop/fall
1) The vase ___________ and broke.
2) Jennys voice ___________ as the class teacher entered the classroom.
25.elderly/elder/older
1) Air pollution can causerespiratoryproblems, especially in children and the ___________.
2) My ___________ brother is ten years ___________ than I.
26.electricity/electric/electrician/electronic/electrical
1) Make sure that lights and other ___________ appliances are turned off when not needed.
2) Avoiding using ___________ dictionary while doing some reading.
3) Simons father used to be an ___________.
4) I got an ___________ shock from that faulty light switch when I was fourteen.
5) Dont leave the TV on, it wastes ___________.
27.excited/exciting
All of us were ___________ at the ___________ news yesterday.
28.fall/feel
1) The doctor ___________ myforeheadand said, You have got a high fever.
2) Many trees ___________ in the sand storm last night.
29.asleep/sleepy/sleep/sleeping
1) The driver felt ___________ last night, so he fell ___________as soon as he lay in bed.
2) When do you go to ___________every day?
3) I took a ___________-car to Beijing last Friday.
30.find out/find/discover/invent/look for/search for
1) Columbus ___________America in 1492.
2) Do you know who first ___________clock?
3) Jane ___________her key to the drawer everywhere just now, but she couldnt ___________it.
4) Please try to ___________who broke the window.
5) The police ___________the criminals for hours this morning.